<!DOCTYPE html>
<html xmlns:th="http://www.w3.org/1999/xhtml">
<head th:replace="_fragments :: head(~{::title})">
    <meta charset="UTF-8">
    <title>500</title>
</head>
<body>
<nav th:replace="_fragments :: menu(0)">

</nav>
<br>
<br>
<br>
<div class="m-container-small m-padded-tb-massive">
    <div class="ui error message m-padded-tb-massive">
        <div class="ui container ">
            <h2>500</h2>
            <p>对不起, 服务器内部错误!</p>
        </div>
    </div>
</div>
<footer th:replace="_fragments :: footer" >

</footer>

</body>
</html>